no more than what you already pay for medicare part b. other benefits can include 100% coverage for an annual physical and immunizations, vision and hearing coverage -- and prescriptions as low as $2... at pharmacies and retail locations like these. ♪ don't wait. let's get you on the right path. call today to enroll in a plan from unitedhealthcare, like aarp medicarecomplete. >> well, a man from oregon is recoughing today after he encountered a shark, a terrifying attack in hawaii, 61-year-old tom kennedy was snorkling when a couple of his friends, about 200 yards off shore in maui, when that shark moved in, clamping down on his left leg. he was actually able to break free and his friends helped him to shore and lifeguards treated him before he was rushed to the hospital and now, tom says he's trying to figure out what kind of shark bit him. >> based on my estimate of the size of the head, the coloration, and the shape, and i'm certainly not an expert, but his guess near is, it was a tiger shark perhaps. >> jamie: tom, does it matter? y